/** AST Extractor Utility */
/**
 * Placeholder date used when encountering `new Date()` expressions.
 * Since dates are runtime values, we substitute a fixed ISO string for validation.
 */
export declare const DATE_PLACEHOLDER = "2024-01-01T00:00:00.000Z";
/**
 * Maximum length for source text before truncation in warnings.
 * Keeps warning messages readable while preserving context.
 */
export declare const MAX_SOURCE_TEXT_LENGTH = 50;
import { SourceFile, Node, ObjectLiteralExpression } from 'ts-morph';
/** A candidate FormConfig object found in the source file. */
export interface FormConfigCandidate {
    /** Variable or property name */
    name: string;
    /** Line number where the declaration starts */
    startLine: number;
    /** The AST node for the object literal */
    objectLiteral: ObjectLiteralExpression;
    /** How this candidate was detected */
    matchReason: 'type-annotation' | 'satisfies' | 'as-cast' | 'structural';
}
/** Warning about a non-serializable value that was replaced with a placeholder. */
export interface ExtractionWarning {
    /** Path to the property, e.g., "fields[0].props.maxDate" */
    path: string;
    /** Description of the issue */
    issue: string;
    /** Original source text */
    originalText: string;
    /** What was substituted */
    placeholder: string | number | boolean | null;
}
/** Error that occurred during extraction. */
export interface ExtractionError {
    /** Path to the property */
    path: string;
    /** Error message */
    message: string;
}
/** Result of extracting an AST node to JSON. */
export interface ExtractionResult {
    /** The extracted JSON-safe object */
    value: unknown;
    /** Non-fatal issues (runtime values replaced with placeholders) */
    warnings: ExtractionWarning[];
    /** Fatal issues (couldn't extract) */
    errors: ExtractionError[];
}
/** Create a ts-morph Project and parse source code. */
export declare function createSourceFile(source: string, fileName?: string): SourceFile;
/** Find all potential FormConfig objects in a source file. */
export declare function findFormConfigCandidates(sourceFile: SourceFile): FormConfigCandidate[];
/**
 * Extract an AST node to a JSON-safe object.
 * Handles non-serializable values gracefully with placeholders and warnings.
 */
export declare function extractToJson(node: Node, path?: string): ExtractionResult;
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